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Effect of graphite on fracture toughness of 6061Al-graphite

Effect of graphite on fracture toughness of 6061Al-graphite This paper exhibits the investigative work conducted on the fracture toughness and microstructure of 6061Al-graphite particulate composites. The requisite specimens were prepared using stir casting technique with graphite proportions ranging from 3 to 12% by weight. The microstructure and interfacial bonding of 6061Al-graphite particulate composites were studied. Fracture toughness investigations were carried out on 6061Al-graphite for 3%, 6%, 9% and 12% of graphite by using single-edge notch bend (SENB) specimens. The maximum fracture toughness was found for 6061Al-9%Gr for a∕W = 0.45 and the value is 17.94 MPa √m. Examination of specimen surface of 6061Al-graphite was done using scanning electron microscope (SEM). Due to good interface bonding and uniformity in distribution, improved fracture toughness properties are achieved. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Strength, Fracture and Complexity iospress

Effect of graphite on fracture toughness of 6061Al-graphite

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Publisher
IOS Press
Copyright
Copyright © 2018 IOS Press and the authors. All rights reserved
ISSN
1567-2069
eISSN
1875-9262
DOI
10.3233/SFC-180230
Publisher site
See Article on Publisher Site

Abstract

This paper exhibits the investigative work conducted on the fracture toughness and microstructure of 6061Al-graphite particulate composites. The requisite specimens were prepared using stir casting technique with graphite proportions ranging from 3 to 12% by weight. The microstructure and interfacial bonding of 6061Al-graphite particulate composites were studied. Fracture toughness investigations were carried out on 6061Al-graphite for 3%, 6%, 9% and 12% of graphite by using single-edge notch bend (SENB) specimens. The maximum fracture toughness was found for 6061Al-9%Gr for a∕W = 0.45 and the value is 17.94 MPa √m. Examination of specimen surface of 6061Al-graphite was done using scanning electron microscope (SEM). Due to good interface bonding and uniformity in distribution, improved fracture toughness properties are achieved.

Journal

Strength, Fracture and Complexityiospress

Published: Jan 1, 2019

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